Home / 441,189.18-661,721.13-141,630.26

Finding the Fourth Proportional to 441,189.18, 661,721.13 and 141,630.26

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Solution

The fourth proportional to 441,189.18, 661,721.13 and 141,630.26 is: 212,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,189.18 : 661,721.13 = 141,630.26 : x
  2. Step 2: Convert to fraction form
    441,189.18/661,721.13 = 141,630.26/x
  3. Step 3: Cross multiply
    441,189.18x = 661,721.13 × 141,630.26
  4. Step 4: Simplify right side
    441,189.18x = 93,719,732,380.79
  5. Step 5: Solve for x
    x = 93,719,732,380.79/441,189.18
  6. Step 6: Final answer
    x = 212,425.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.